Finding the Fourth Proportional to 1,127,367.63, 1,691,031.95 and 379,413.63
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Solution
The fourth proportional to 1,127,367.63, 1,691,031.95 and 379,413.63 is: 569,113.88
Step by Step Solution
- Step 1: Write the proportion equation
1,127,367.63 : 1,691,031.95 = 379,413.63 : x - Step 2: Convert to fraction form
1,127,367.63/1,691,031.95 = 379,413.63/x - Step 3: Cross multiply
1,127,367.63x = 1,691,031.95 × 379,413.63 - Step 4: Simplify right side
1,127,367.63x = 641,600,571,544.01 - Step 5: Solve for x
x = 641,600,571,544.01/1,127,367.63 - Step 6: Final answer
x = 569,113.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.